code: def execute(cls, ctx, op):
      import cupy as cp
  
      chunk = op.outputs[0]
      func = cp.ElementwiseKernel(*_evaluate(chunk))
      ctx[chunk.key] = func(*[ctx[i.key] for i in op.inputs])
  
file_path: mars/mars/tensor/fuse/cupy.py
imports: from string import ascii_letters
  from ...utils import tokenize
  from ..operands import TensorFuse
  from ..None import arithmetic
  from .core import TensorFuseChunkMixin
label_desc: Use image node_id 1 for calling the TensorCpFuseChunk obj's underlying member method code with example usage: obj.execute(cls, ctx, op) without return types